Add dummy pipeline support for aes128_cbc_hmac_sha1

Add dummy pipline support to dasync for the aes128_cbc_hmac_sha1 cipher.
This is treated as an AEAD cipher.

Reviewed-by: Tim Hudson <tjh@openssl.org>
diff --git a/engines/e_dasync_err.h b/engines/e_dasync_err.h
index af5241e..560f163 100644
--- a/engines/e_dasync_err.h
+++ b/engines/e_dasync_err.h
@@ -74,6 +74,7 @@
 /* Function codes. */
 # define DASYNC_F_BIND_DASYNC                             107
 # define DASYNC_F_CIPHER_AES_128_CBC_CODE                 100
+# define DASYNC_F_DASYNC_AES128_CBC_HMAC_SHA1_INIT_KEY    109
 # define DASYNC_F_DASYNC_AES128_INIT_KEY                  108
 # define DASYNC_F_DASYNC_BN_MOD_EXP                       101
 # define DASYNC_F_DASYNC_MOD_EXP                          102